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| author | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
| commit | c6a4f5e819217e1e12c458aed8e7b122e23a3a58 (patch) | |
| tree | 81b7dd2bb4370a392f31d332a566c903b5744764 /test/Transforms/SROA | |
| parent | 19c6fbb3e8aaf74093afa08013134b61fa08f245 (diff) | |
| download | external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.zip external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.tar.gz external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.tar.bz2 | |
Update LLVM for rebase to r212749.
Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/Transforms/SROA')
| -rw-r--r-- | test/Transforms/SROA/slice-order-independence.ll | 37 | ||||
| -rw-r--r-- | test/Transforms/SROA/slice-width.ll | 25 |
2 files changed, 62 insertions, 0 deletions
diff --git a/test/Transforms/SROA/slice-order-independence.ll b/test/Transforms/SROA/slice-order-independence.ll new file mode 100644 index 0000000..364ef85 --- /dev/null +++ b/test/Transforms/SROA/slice-order-independence.ll @@ -0,0 +1,37 @@ +; RUN: opt < %s -sroa -S | FileCheck %s +target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64" + +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind + +; Check that the chosen type for a split is independent from the order of +; slices even in case of types that are skipped because their width is not a +; byte width multiple +define void @skipped_inttype_first({ i16*, i32 }*) { +; CHECK-LABEL: @skipped_inttype_first +; CHECK: alloca i8* + %arg = alloca { i16*, i32 }, align 8 + %2 = bitcast { i16*, i32 }* %0 to i8* + %3 = bitcast { i16*, i32 }* %arg to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %3, i8* %2, i32 16, i32 8, i1 false) + %b = getelementptr inbounds { i16*, i32 }* %arg, i64 0, i32 0 + %pb0 = bitcast i16** %b to i63* + %b0 = load i63* %pb0 + %pb1 = bitcast i16** %b to i8** + %b1 = load i8** %pb1 + ret void +} + +define void @skipped_inttype_last({ i16*, i32 }*) { +; CHECK-LABEL: @skipped_inttype_last +; CHECK: alloca i8* + %arg = alloca { i16*, i32 }, align 8 + %2 = bitcast { i16*, i32 }* %0 to i8* + %3 = bitcast { i16*, i32 }* %arg to i8* + call void @llvm.memcpy.p0i8.p0i8.i32(i8* %3, i8* %2, i32 16, i32 8, i1 false) + %b = getelementptr inbounds { i16*, i32 }* %arg, i64 0, i32 0 + %pb1 = bitcast i16** %b to i8** + %b1 = load i8** %pb1 + %pb0 = bitcast i16** %b to i63* + %b0 = load i63* %pb0 + ret void +} diff --git a/test/Transforms/SROA/slice-width.ll b/test/Transforms/SROA/slice-width.ll new file mode 100644 index 0000000..179780b --- /dev/null +++ b/test/Transforms/SROA/slice-width.ll @@ -0,0 +1,25 @@ +; RUN: opt < %s -sroa -S | FileCheck %s +target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64" + +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind + +define void @no_split_on_non_byte_width(i32) { +; This tests that allocas are not split into slices that are not byte width multiple + %arg = alloca i32 , align 8 + store i32 %0, i32* %arg + br label %load_i32 + +load_i32: +; CHECK-LABEL: load_i32: +; CHECK-NOT: bitcast {{.*}} to i1 +; CHECK-NOT: zext i1 + %r0 = load i32* %arg + br label %load_i1 + +load_i1: +; CHECK-LABEL: load_i1: +; CHECK: bitcast {{.*}} to i1 + %p1 = bitcast i32* %arg to i1* + %t1 = load i1* %p1 + ret void +} |